Forced into an unlikely partnership by the FBI, Special Agent Kate O'Hare and international conman Nick Fox have brought down some major criminals together, but nobody this big: A vast international organization known as The Brotherhood. Directly descended from the World War II Vatican Bank priests who served Hitler, they're now searching for a lost train loaded with $30 billion in Nazi gold that has been hidden deep inside a labyrinthine maze of tunnels in the Tatra Mountains of Eastern Europe, untouched for over seventy-five years.